Activists say the case against Wisconsin dairy farmer Vernon Hershberger is about raw milk — and much more. His supporters have turned the case into a rallying cry for personal food freedom and the rights of farmers and consumers to enter into private contracts without government intervention.

A plant scientist at Mars Inc., has appealed to the world's biggest life sciences companies to help him — by sharing what they already know about 100 crops that could provide better nutrition in Africa. But can the kings of agricultural intellectual property get on board with open source agricultural information for Africa?

Although scientists have known that a funguslike organism caused the potato blight that triggered the Great Famine in Ireland in the 1840s, they didn't know which strain was the culprit. But they do now, thanks to the genes in some 19th century potato samples.

The nation's largest group of nutritionists is urging the FDA to reject the dairy industry's petition to change the definition of milk. The petition aims to allow aspartame or other alternatives to be used to sweeten milk in an effort to boost consumption in schools.

Hipsters may just be discovering the joys of backyard chickens, but in African megacities, people have been bringing their animals into the slums with them for decades. That's creating a new ecosystem of animals and huge numbers of people living closely together like never before.